Electrical Machines In synchronous motor the torque is proportional to 1/P² P² 1/P Power P 1/P² P² 1/P Power P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 4 V 0 V 2 V 1 V 4 V 0 V 2 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. both shunt and series field winding. only series field winding. tertiary winding. only shunt field winding. both shunt and series field winding. only series field winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main disadvantage(s) of the ward-Leonard system is/are poor overall efficiency. high initial cost. all of above. high maintenance cost. poor overall efficiency. high initial cost. all of above. high maintenance cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as hum. zoom. boo. magnetostriction. hum. zoom. boo. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will remains same. Decrease.d increase. none of these. remains same. Decrease.d increase. none of these. ANSWER DOWNLOAD EXAMIANS APP
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